30 Mar 12 21:19, Mark Hofmann wrote to Roy Witt:


 RW>> That usually occurs when non-distilled water is used to replace
 RW>> 50/50 coolant. The factory recommended that you use 50/50 coolant to
 RW>> replace that which has leaked or boiled out of the system. Plus
 RW>> going too long between coolant changes. Don't believe that 5 year
 RW>> statement on the coolant container.

 MH> The first time I had the problem with the antifreeze leaking on the
 MH> lower intake, I only had 66k on it.  It was just a few thousand miles
 MH> out of warranty.

Probably why a lot of those cars with that engine are in the scrap yards
today. Harry had in the shop a 99 Malibu with a similar problem too. The
customer didn't think the car was worth repairing and left it there. Harry
bought it from the owner for something like $300 and had one of the
mechanics pull the heads. While the heads were off the engine and out to
the machine shop for a valve job and resurfacing, the shop's helper pulled
the interior out, pressure washed the carpeting and cleaned up the seats
and dried it all in the sun. Hot Texas sun... When it was all put back
together, it ran like a champ and it was Harry's daily driver for a while.

 MH> After many conversations with GM, I was finally able to get them to
 MH> cover all but $300 of the repair work - which would have been $1500
 MH> at the time.

Did they send a GM rep to talk with you at the dealer? Those guys are
cool.

 MH> That same thing happened again at 146k miles, which led to me getting
 MH> the Jasper engine.  I had that problem plus oil was leaking around
 MH> the oil pan and a bit around the crankshaft.

Oil pan leaks can be attributed to high pressure in the crankcase. Meaning
there was a clogged crankcase breathing system somewhere.


                R\%/itt


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